The Mild Wife and I make spreadsheets. It's just one of those things that we do. There was a time when I probably would've contested whether this was true, but as time has gone on and more spreadsheets have "magically" appeared in our lives, it's become harder and harder to dispute. I mean, we were talking about a wish list, and a spreadsheet popped out . The most obvious place where this comes up, though, is with our monthly budget . I mean, we're literally talking about trying to make sure numbers match up. Even if I didn't love spreadsheets quite as much, this would be one scenario where it'd just make sense to use this particular tool. There are lots of numbers to track, and we want to keep an eye on how much we're spending. This seems like a classic case for a spreadsheet. Well, given how prevalent they are in our lives, this also means that I've gotten used to seeing some of the numbers. In very simplified terms, I track monthly payments ...